Piano Tuner's Assistant

Store description excerpt

Piano Tuner's Assistant is a professional acoustic analysis utility crafted specifically for piano tuners, music students, piano technicians, and acoustic piano owners. Key Features: - Real-Time Pitch Analysis: Utilizes microphone audio FFT processing to measure fundamental pitch frequencies from A0 (27.5 Hz) to C8 (4186 Hz). - Cents Deviation Gauge: Precision analog and digital pitch error meter displaying exact cents deviation (±50 cents) with flat/sharp direction cues. - 88-Key Piano Map: Interactive 88-key keyboard view and comprehensive pitch deviation spectrum bar chart across the whole piano. - Pitch Stability History: Name, save, and compare multi-session tuning records over time to monitor piano string pitch drift and acoustic stability. - Reference Tone Generator: Built-in pure sine wave synthesizer producing standard reference pitch (A4 = 440 Hz, 442 Hz, 443 Hz, 438 Hz, 415 Hz). - 100% Offline & Private: All audio processing runs locally on device with zero data collection or internet required.

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